Kelly, S. R. A. (1992). Bivalvia of the Spilsby Sandstone and Sandringham Sands (Late Jurassic - Early Cretaceous) of eastern England. Part 2. Monographs of the Palaeontographical Society, London. 146(591): 95-123.
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Kelly, S. R. A.
1992
Bivalvia of the Spilsby Sandstone and Sandringham Sands (Late Jurassic - Early Cretaceous) of eastern England. Part 2
Monographs of the Palaeontographical Society, London